Effect on Rice Growth and Change of Inorganic Nitrogen Content in Soil by Application with Rice Bran and Mixed Expeller Cake Fertilizer on Machine Transplanting Rice Paddy Field
2011
Kim, S., National Institute of Crop Science, RDA, Iksan, Republic of Korea | Yang, C.H., National Institute of Crop Science, RDA, Iksan, Republic of Korea | Lee, S.B., National Institute of Crop Science, RDA, Iksan, Republic of Korea | Lee, J.H., National Institute of Crop Science, RDA, Iksan, Republic of Korea | Kim, J.D., National Institute of Crop Science, RDA, Iksan, Republic of Korea | Kim, S.J., National Institute of Crop Science, RDA, Iksan, Republic of Korea | Im, I.B., National Institute of Crop Science, RDA, Iksan, Republic of Korea
This study was conducted to find a method using the application of rice bran and mixed expeller cake at machine transplanting rice paddy field. Different ratios of rice bran and mixed expeller cake were sprayed as substitute of chemical fertilizer (nitrogen 90kg ha-¹) before transplanting. Nitrogen content was highest in 30th day after transplantation, and in relation to treatments the order was the following: Rice bran 1,000kg ha-¹ + Mixed expeller cake 1,374kg ha-¹ greater than rice bran 2,000kg ha-¹ + Mixed expeller cake 948kg ha-¹ greater than rice bran 3,000kg ha-¹ + Mixed expeller cake 522kg ha-¹. Number of panicle and spikelets per m-² was higher in rice bran 1,000kg ha-¹ + Mixed expeller cake 1,374kg ha-¹ and rice bran 2,000kg ha-¹ + Mixed expeller cake 948kg ha-¹ than in rice bran 3,000kg ha-¹ + Mixed expeller cake 522kg ha-¹ and the yields was the highest in rice bran 1,000kg ha-¹ + Mixed expeller cake 1,374kg ha-¹.
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